Home / 54,974.63-75,860.80-31,102.83

Finding the Fourth Proportional to 54,974.63, 75,860.80 and 31,102.83

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Solution

The fourth proportional to 54,974.63, 75,860.80 and 31,102.83 is: 42,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,974.63 : 75,860.80 = 31,102.83 : x
  2. Step 2: Convert to fraction form
    54,974.63/75,860.80 = 31,102.83/x
  3. Step 3: Cross multiply
    54,974.63x = 75,860.80 × 31,102.83
  4. Step 4: Simplify right side
    54,974.63x = 2,359,485,488.31
  5. Step 5: Solve for x
    x = 2,359,485,488.31/54,974.63
  6. Step 6: Final answer
    x = 42,919.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.